期刊
FOOD POLICY
卷 29, 期 2, 页码 147-168出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodpol.2004.03.001
关键词
biotechnology; vitamin A; micronutient malnutrition; health impacts; DALYs
Golden Rice has been genetically modified to produce beta-carotene in the endosperm of grain. It could improve the vitamin A status of deficient food consumers, especially women and children in developing countries. This paper analyses potential impacts in a Philippine context. Since the technology is still at the stage of R&D, benefits are simulated with a scenario approach. Health effects are quantified using the methodology of disability-adjusted life years (DALYs). Golden Rice will not completely eliminate the problems of vitamin A deficiency, such as blindness or increased mortality. Therefore, it should be seen as a complement rather than a substitute for alternative micronutrient interventions. Yet the technology could bring about significant benefits. Depending on the underlying assumptions, annual health improvements are worth between US$ 16 and 88 million, and rates of return on R&D investments range between 66% and 133%. Due to the uncertainty related to key parameters, these results should be treated as preliminary. (C) 2004 Elsevier Ltd. All rights reserved.
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